kept his head _____ water when hebegan to learn swimming, but he raised his head now and then

Many endangered animals, such as the Malayan sun bear, _____ in danger of dying out

Thank you, Simon. was nice of you to help me with the housework.

How hungry the poor little boy was! He stared at the cakes in the shop window with ________ eyes.[ ]

Regulations require__________needs special diets the cooking manager in advance.